package lab01;

public class Test06 {
    public static void main(String[] args) {
        double d=Math.random();
        int score=(int)(d*5)+1;
        if (score==1){
            System.out.println("不及格");
        }else if (score==2){
            System.out.println("及格");
        }else if (score==3){
            System.out.println("中等");
        }else if (score==4){
            System.out.println("良好");
        }else if (score==5){
            System.out.println("优秀");
        }
        System.out.println("//（if）该同学成绩为："+score);
        switch(score){
            case 1:
                System.out.println("不及格");
                break;
            case 2:
                System.out.println("及格");
                break;
            case 3:
                System.out.println("中等");
                break;
            case 4:
                System.out.println("良好");
                break;
            case 5:
                System.out.println("优秀");
                break;
        }
        System.out.println("//（switch）该同学成绩为："+score);
    }

}
